Portable ice chest



FIG. 1 shows a perspective view of the portable ice chest.

FIG. 2 shows a top plan view of the portable ice chest.

FIG. 3 shows a side elevation view of the portable ice chest looking from the opposite side of that shown in FIG. 1.

FIG. 4 shows a rear elevation view of the portable ice chest; and,

FIG. 5 shows a bottom plan view of the portable ice chest. 

We claim the ornamental design for a portable ice chest, as shown and described. 